Abstract: A method of forming a shoulder prosthesis includes resecting an end portion of a humerus to form a resected end of the humerus and a resected portion separated from the humerus, the resected portion having an outer convex surface and an inner surface. The inner surface of the resected portion is processed to include a concave articular surface. The outer convex surface of the resected portion is implanted in the resected end of the humerus. An implant having a convex articular surface is secured to a glenoid. The concave articular surface of the resected portion is articulated with the convex articular surface of the implant.

Abstract: A prosthetic ankle assembly including an astragalar component with an upper articular surface that forms part of an ankle joint prosthesis and a lower surface with a shape adapted to engage an upper face of an astragalus. An astragalocalcanean rod is positioned in an astragalocalcanean channel extending from the lower face of the calcaneus to the upper surface of the astragalus. A first end of the astragalocalcanean rod is engage with the lower surface of the astragalar component and a second end of the astragalocalcanean rod is engaged with a lower region of the calcaneus. A distance between the second end of the astragalocalcanean rod is adjustable relative to the lower surface of the astragalar component to adjustably compress the calcaneus against the astragalus.

Abstract: A method of forming a shoulder prosthesis includes resecting an end portion of a humerus to form a resected end of the humerus and a resected portion separated from the humerus, the resected portion having an outer convex surface and an inner surface. The inner surface of the resected portion is processed to include a concave articular surface. The outer convex surface of the resected portion is implanted in the resected end of the humerus. An implant having a convex articular surface is secured to a glenoid. The concave articular surface of the resected portion is articulated with the convex articular surface of the implant.

Abstract: A prosthetic ankle assembly including an astragalar component with an upper articular surface that forms part of an ankle joint prosthesis and a lower surface with a shape adapted to engage an upper face of an astragalus. An astragalocalcanean rod is positioned in an astragalocalcanean channel extending from the lower face of the calcaneus to the upper surface of the astragalus. A first end of the astragalocalcanean rod is engage with the lower surface of the astragalar component and a second end of the astragalocalcanean rod is engaged with a lower region of the calcaneus. A distance between the second end of the astragalocalcanean rod is adjustable relative to the lower surface of the astragalar component to adjustably compress the calcaneus against the astragalus.

Abstract: A prosthetic ankle assembly including an astragalar component with an upper articular surface that forms part of an ankle joint prosthesis and a lower surface with a shape adapted to engage an upper face of an astragalus. An astragalocalcanean rod is positioned in an astragalocalcanean channel extending from the lower face of the calcaneus to the upper surface of the astragalus. A first end of the astragalocalcanean rod is engage with the lower surface of the astragalar component and a second end of the astragalocalcanean rod is engaged with a lower region of the calcaneus. A distance between the second end of the astragalocalcanean rod is adjustable relative to the lower surface of the astragalar component to adjustably compress the calcaneus against the astragalus.

Abstract: A method of forming a shoulder prosthesis includes resecting an end portion of a humerus to form a resected end of the humerus and a resected portion separated from the humerus, the resected portion having an outer convex surface and an inner surface. The inner surface of the resected portion is processed to include a concave articular surface. The outer convex surface of the resected portion is implanted in the resected end of the humerus. An implant having a convex articular surface is secured to a glenoid. The concave articular surface of the resected portion is articulated with the convex articular surface of the implant.

Abstract: A method of forming a shoulder prosthesis includes forming a concave articular surface into an end portion of a humerus, including compacting bone of the end portion to define the concave articular surface. An implant having a convex articular surface is secured to a glenoid. The concave articular surface of the humerus is articulated with the convex articular surface of the implant.

Abstract: A method of forming a shoulder prosthesis includes resecting an end portion of a humerus to form a resected end of the humerus and a resected portion separated from the humerus, the resected portion having an outer convex surface and an inner surface. The inner surface of the resected portion is processed to include a concave articular surface. The outer convex surface of the resected portion is implanted in the resected end of the humerus. An implant having a convex articular surface is secured to a glenoid. The concave articular surface of the resected portion is articulated with the convex articular surface of the implant.

Abstract: A prosthesis and method for a ball and socket joint. The prosthesis includes a first component including an anchoring shank and a metaphyseal portion. The metaphyseal portion includes a first articular surface configured to move in translation relative to the anchoring shank. An intermediate component includes a first articular surface configured to engage with the first articular surface on the metaphyseal portion, and a second articular surface configured to engage with the ball and socket joint.

Abstract: The device (9) comprises vertebral elements (10, 20, 10?, 20?) adapted to be fixed to the same lateral side of the bodies of at least two adjacent vertebrae (1, 2), the elements being associated in pairs that are provided to be associated with the left and right sides of the vertebrae. In order to guide the vertebrae effectively and stably, in order, in use, to reproduce an articulating intervertebral joint, the two elements of each pair delimit respective surfaces (15, 25, 15?, 25?) for the relative guiding of those elements, which surfaces are adapted, when the elements are implanted on their corresponding vertebra, to extend generally along the same lateral side of the body of the vertebrae and to rest and slide one against the other in such a manner that the surfaces define a center of rotation (C) about which the two elements are able to turn one relative to the other.

Abstract: A modular prosthesis according to embodiments of the present invention includes a diaphyseal element adapted for implantation into a bone, a metaphyseal element with a mount adapted to receive a prosthetic articulating surface, a fluid reception chamber formed between the diaphyseal element and the metaphyseal element, the fluid reception chamber having proximal and distal ends and a side wall, one end being formed by the diaphyseal element and the other end being formed by the metaphyseal element, and an injection canal in fluid communication with the fluid reception chamber, wherein the fluid reception chamber is configured to receive fluid injected via the injection canal, such that a length of the modular prosthesis is adjustable in a longitudinal dimension based on a volume of fluid received by the fluid reception chamber. Progressive insertion of agglutinating fluid into the fluid reception chamber lengthens the prosthesis.

Abstract: A glenoid component for a shoulder prosthesis adapted to be mounted in a glenoid cavity of a shoulder. An elongated keel adapted to engage with the glenoid cavity is attached to the internal surface of the base. The keel extends along a longitudinal axis of the base. The keel includes various configurations of transverse members extending away from the longitudinal axis. The surgeon selects a glenoid component with a keel and transverse member configuration that is anatomically optimized for the patient. Glenoid components properly optimized provide mechanical strength and stability superior to prior art devices. The glenoid components disclosed herein are particularly well suited for use in an anatomical total shoulder prosthesis, but may are also suited to partial shoulder prostheses and reverse shoulder prostheses.

Abstract: A method of forming a shoulder prosthesis includes forming a concave articular surface into an end portion of a humerus, including compacting bone of the end portion to define the concave articular surface. An implant having a convex articular surface is secured to a glenoid. The concave articular surface of the humerus is articulated with the convex articular surface of the implant.

Abstract: A prosthesis and method for a ball and socket joint. The prosthesis includes a first component including an anchoring shank and a metaphyseal portion. The metaphyseal portion includes a first articular surface configured to move in translation relative to the anchoring shank. An intermediate component includes a first articular surface configured to engage with the first articular surface on the metaphyseal portion, and a second articular surface configured to engage with the ball and socket joint.

Abstract: A prosthetic ankle assembly including an astragalar component with an upper articular surface that forms part of an ankle joint prosthesis and a lower surface with a shape adapted to engage an upper face of an astragalus. An astragalocalcanean rod is positioned in an astragalocalcanean channel extending from the lower face of the calcaneus to the upper surface of the astragalus. A first end of the astragalocalcanean rod is engage with the lower surface of the astragalar component and a second end of the astragalocalcanean rod is engaged with a lower region of the calcaneus. A distance between the second end of the astragalocalcanean rod is adjustable relative to the lower surface of the astragalar component to adjustably compress the calcaneus against the astragalus.

Abstract: A glenoid component for a shoulder prosthesis adapted to be mounted in a glenoid cavity of a shoulder. An elongated keel adapted to engage with the glenoid cavity is attached to the internal surface of the base. The keel extends along a longitudinal axis of the base. The keel includes various configurations of transverse members extending away from the longitudinal axis. The surgeon selects a glenoid component with a keel and transverse member configuration that is anatomically optimized for the patient. Glenoid components properly optimized provide mechanical strength and stability superior to prior art devices. The glenoid components disclosed herein are particularly well suited for use in an anatomical total shoulder prosthesis, but may are also suited to partial shoulder prostheses and reverse shoulder prostheses.

Abstract: The device (9) comprises vertebral elements (10, 20, 10?, 20?) adapted to be fixed to the same lateral side of the bodies of at least two adjacent vertebrae (1, 2), the elements being associated in pairs that are provided to be associated with the left and right sides of the vertebrae. In order to guide the vertebrae effectively and stably, in order, in use, to reproduce an articulating intervertebral joint, the two elements of each pair delimit respective surfaces (15, 25, 15?, 25?) for the relative guiding of those elements, which surfaces are adapted, when the elements are implanted on their corresponding vertebra, to extend generally along the same lateral side of the body of the vertebrae and to rest and slide one against the other in such a manner that the surfaces define a centre of rotation (C) about which the two elements are able to turn one relative to the other.

Abstract: The device (4) comprises two vertebral elements (10, 20) each adapted to be fixed to the same lateral side of the body of at least two adjacent vertebrae (1, 2). In order to guide the vertebrae effectively and stably in order to reproduce an articulating intervertebral joint, the elements delimit respective surfaces (14A, 26A) for the relative guiding of the two elements, which surfaces are so adapted that, when the elements are implanted on the corresponding vertebrae, they cooperate with one another by complementarity of forms, in such a manner that they define an axis of rotation (X-X) about which the two elements are able to tilt one relative to the other and which extends both according to a direction substantially mediolateral to the spine and in the intervertebral disk space (7) separating the two adjacent vertebrae.